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Finding the Fourth Proportional to 361,708.47, 499,156.83 and 200,559.38

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Solution

The fourth proportional to 361,708.47, 499,156.83 and 200,559.38 is: 276,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,708.47 : 499,156.83 = 200,559.38 : x
  2. Step 2: Convert to fraction form
    361,708.47/499,156.83 = 200,559.38/x
  3. Step 3: Cross multiply
    361,708.47x = 499,156.83 × 200,559.38
  4. Step 4: Simplify right side
    361,708.47x = 100,110,581,851.78
  5. Step 5: Solve for x
    x = 100,110,581,851.78/361,708.47
  6. Step 6: Final answer
    x = 276,771.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.